#!/usr/bin/env perl

# the upgrade tool
# Usage:
#   upgradeTool.pl --status
#   upgradeTool.pl --startUpgrade --iso=xxx
#   upgradeTool.pl --startBackout
#   upgradeTool.pl --prepareUpgrade
#   upgradeTool.pl --finishUpgrade
#   upgradeTool.pl --exportSSD
#   upgradeTool.pl --importSSD